From: Ville Syrjälä Date: Tue, 17 Jun 2025 17:07:52 +0000 (+0300) Subject: drm/i915/dmc: Parametrize MTL_PIPEDMC_GATING_DIS X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=eddc8a0572b951af5a9da464d763bf2f81bad1c1;p=thirdparty%2Fkernel%2Flinux.git drm/i915/dmc: Parametrize MTL_PIPEDMC_GATING_DIS The MTL+ pipe DMC clock gating bits can be parametrized. Make it so. Reviewed-by: Uma Shankar Signed-off-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20250617170759.19552-3-ville.syrjala@linux.intel.com --- diff --git a/drivers/gpu/drm/i915/display/intel_dmc.c b/drivers/gpu/drm/i915/display/intel_dmc.c index 1d748b9dca443..ef61870b88291 100644 --- a/drivers/gpu/drm/i915/display/intel_dmc.c +++ b/drivers/gpu/drm/i915/display/intel_dmc.c @@ -483,7 +483,8 @@ static void mtl_pipedmc_clock_gating_wa(struct intel_display *display) * for pipe A and B. */ intel_de_rmw(display, GEN9_CLKGATE_DIS_0, 0, - MTL_PIPEDMC_GATING_DIS_A | MTL_PIPEDMC_GATING_DIS_B); + MTL_PIPEDMC_GATING_DIS(PIPE_A) | + MTL_PIPEDMC_GATING_DIS(PIPE_B)); } static void pipedmc_clock_gating_wa(struct intel_display *display, bool enable) diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 52a902532e6f7..04fb40867cc05 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -763,8 +763,7 @@ */ #define GEN9_CLKGATE_DIS_0 _MMIO(0x46530) #define DARBF_GATING_DIS REG_BIT(27) -#define MTL_PIPEDMC_GATING_DIS_A REG_BIT(15) -#define MTL_PIPEDMC_GATING_DIS_B REG_BIT(14) +#define MTL_PIPEDMC_GATING_DIS(pipe) REG_BIT(15 - (pipe)) #define PWM2_GATING_DIS REG_BIT(14) #define PWM1_GATING_DIS REG_BIT(13)